Question: How long was Henry Campbell-Bannerman a member of the 20th Parliament of the UK?
Paraphrase: How long was UK 20th Parliament member Henry Campbell - Bannerman?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q106618 p:P39 ?s . ?s ps:P39 wd:Q41582560 . ?s pq:P2715 ?value1 . ?s pq:P1534 ?value2 }